leftbrain
Rank #4,364glama/Lazy-Coder-03/leftbrain
Provides exact, deterministic tools for math, dates, units, validation, and more to AI agents, returning precise answers with explicit assumptions and warnings instead of model guesses.
leftbrain is a Model Context Protocol (MCP) server published by Lazy-Coder-03. It ranks #4,364 of 132,046 servers tracked on MCP Toplist. leftbrain is listed on Glama, with 6 release tags tracked from its GitHub repository. It was first listed on Aug 26, 2026 and most recently updated on Sep 11, 2026.
Ranks ahead of 127,682 of 132,046 servers on MCP Toplist.
Use leftbrain
No credentials or required configuration declared — add it to your MCP client and go.
This server doesn't publish a machine-readable install config — see the repository README for install instructions.
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[](https://mcptoplist.com/server/glama%2FLazy-Coder-03%2Fleftbrain)<a href="https://mcptoplist.com/server/glama%2FLazy-Coder-03%2Fleftbrain"><img src="https://mcptoplist.com/badge/glama%2FLazy-Coder-03%2Fleftbrain.svg" alt="MCP Toplist: Top 5% of 132,046" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 1 registry
Lazy-Coder-03
GitHub releases (6)
No registry surfaces explicit version metadata for this server. The list below shows release tags from the linked GitHub repository.
| Version | Published |
|---|---|
| v0.5.1 | Sep 11, 2026 |
| v0.5.0 | Aug 31, 2026 |
| v0.4.2 | Aug 31, 2026 |
| v0.4.1 | Aug 29, 2026 |
| v0.4.0 | Aug 29, 2026 |
| v0.3.1 | Aug 27, 2026 |
Frequently asked questions
- Who maintains leftbrain?
- leftbrain is maintained by Lazy-Coder-03, which publishes 1 MCP server (6 total versions) tracked on MCP Toplist.
- Is leftbrain listed on the Official MCP Registry?
- leftbrain is not on the Official MCP Registry. It is listed on Glama.
- How many versions does leftbrain have?
- No registry surfaces explicit version metadata for leftbrain; MCP Toplist tracks 6 release tags from its GitHub repository, most recently published on Sep 11, 2026.
- Where can I find the source code for leftbrain?
- The source code for leftbrain is hosted at github.com/Lazy-Coder-03/leftbrain.
Do you run this server?
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